Mostafa Fattahi
Technical Feasibility Study of Cold Flow Using a Transient Multiphase Pipe Flow Simulator.
Rel. Samir Bensaid, Milan Stanko. Politecnico di Torino, Corso di laurea magistrale in Georesources And Geoenergy Engineering, 2025
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Abstract
Growing energy demand is pushing oil and gas recovery into challenging subsea environments. A primary flow assurance challenge for these operations, particularly for the long-distance tie-back developments that represent the future of the industry, is the formation of gas hydrates. These crystalline particles form under the high-pressure and low-temperature conditions found in pipelines, creating a significant risk of blockage, especially in cold subsea environments like the Norwegian Continental Shelf. This issue must be addressed as the industry moves toward more sustainable methods that reduce the energy consumption and emissions from offshore production. In this study, the application of Cold flow technology was evaluated as an energy-efficient flow assurance method for controlling the hydrate formation in offshore hydrocarbon production systems.
Traditional methods for hydrate prevention, such as electrical heating, direct insulation, or the use of chemical inhibitors, often lead to high energy consumption, environmental issues and operational complexity—especially in deep water and long tieback developments
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